package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@Slf4j
@RestController
@Api(tags = "菜品相关接口")
@RequestMapping("/admin/dish")
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

    /**
     * 新增菜品
     *
     * @param dishDTO
     * @return
     */
    @ApiOperation("新增菜品")
    @PostMapping
    public Result addDish(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品:{}", dishDTO);
        dishService.addDish(dishDTO);

        // 清理缓存
        String key = "dish_"+dishDTO.getCategoryId();
        redisTemplate.delete(key);

        return Result.success();
    }

    /**
     * 菜品分页查询
     *
     * @param dishPageQueryDTO
     * @return
     */
    @ApiOperation("菜品分页查询")
    @GetMapping("/page")
    public Result<PageResult> pageQuery(DishPageQueryDTO dishPageQueryDTO) {
        log.info("菜品分页查询:{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);// 后绪步骤定义
        return Result.success(pageResult);
    }

    /**
     * 菜品批量删除
     *
     * @param ids
     * @return
     */
    @ApiOperation("菜品批量删除")
    @DeleteMapping
    public Result deleteDish(@RequestParam List<Long> ids) {
        log.info("菜品批量删除：{}", ids);
        dishService.deleteDish(ids);
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 根据id查询菜品
     *
     * @param id
     * @return
     */
    @ApiOperation("根据id查询菜品")
    @GetMapping("/{id}")
    public Result<DishVO> getDishById(@PathVariable Long id) {
        log.info("根据id查询菜品：{}", id);
        DishVO dishVO = dishService.getDishById(id);// 后绪步骤实现
        return Result.success(dishVO);
    }

    /**
     * 停售起售
     * @param status
     * @param id
     * @return
     */
    @ApiOperation("停售起售")
    @PostMapping("/status/{status}")
    public Result changeStatus(@PathVariable Integer status, @RequestParam Long id) {
        log.info("停售起售：{}，{}",status, id);
        DishDTO dishDTO = new DishDTO();
        dishDTO.setId(id);
        dishDTO.setStatus(status);
        dishService.editDish(dishDTO);
        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 修改菜品
     *
     * @param dishDTO
     * @return
     */
    @ApiOperation("修改菜品")
    @PutMapping
    public Result editDish(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品：{}", dishDTO);
        dishService.editDish(dishDTO);
        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> getDishByCategoryId(Long categoryId){
        List<Dish> list = dishService.getDishByCategoryId(categoryId);
        return Result.success(list);
    }

}
